ArticlePloS one2020
Identification of QTLs for high grain yield and component traits in new plant types of rice.
Article in PloS one, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.
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Who cites it
13 citing papers in PubMed.
- Mapping novel QTLs associated with grain number and primary branching in rice using new plant type derived RILs.BMC plant biology · 2026Article
- Identification of Novel Quantitative Trait Loci and Candidate Genes Associated with Grain Yield and Related Traits Under Low-Light Stress Conditions in Rice.Biomolecules · 2025Article
- Combining ability and gene action for flowering, plant height, grain size, and yield in rice (Frontiers in plant science · 2025Article
- Genomic regions associated with flag leaf and panicle architecture in rice (Oryza sativa L.).BMC genomics · 2024Article
- Application of Open Panicle Traits in Improving the Filling Characteristics at the Base ofPlants (Basel, Switzerland) · 2024Article
- Fine mapping of interspecific secondary CSSL populations revealed key regulators for grain weight atPhysiology and molecular biology of plants : an international journal of functional plant biology · 2024Article
- Enhancing stress resilience in rice (Frontiers in plant science · 2024Article
- Marker trait association for biological nitrogen fixation traits in an interspecific cross of chickpea (Physiology and molecular biology of plants : an international journal of functional plant biology · 2023Article
- Identification of Newer Stable Genetic Sources for High Grain Number per Panicle and Understanding the Gene Action for Important Panicle Traits in Rice.Plants (Basel, Switzerland) · 2023Article
- Detection of QTLs for Plant Height Architecture Traits in Rice (Plants (Basel, Switzerland) · 2022Article
- Multi-trait association study identifies loci associated with tolerance of low phosphorus in Oryza sativa and its wild relatives.Scientific reports · 2022Article
- Genetic relationship, population structure analysis and pheno-molecular characterization of rice (Physiology and molecular biology of plants : an international journal of functional plant biology · 2021Article
- Genome-wide association mapping revealed numerous novel genomic loci for grain nutritional and yield-related traits in rice (3 Biotech · 2020Article
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Authors and funding
13 authors.
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Abstract
A panel of 60 genotypes comprising New Plant Types (NPTs) along with indica, tropical and temperate japonica genotypes was phenotypically evaluated for four seasons in irrigated situation for grain yield per se and component traits. Twenty NPT genotypes were found promising with an average grain yield varying from 5.45 to 8.8 t/ha. A total of 85 SSR markers were used in the study to identify QTLs associated with grain yield per se and related traits. Sixty-six (77.65%) markers were found to be polymorphic. The PIC values varied from 0.516 to 0.92 with an average of 0.704. A moderate level of genetic diversity (0.39) was detected among genotypes. Variation to the tune of 8% within genotypes, 68% among the genotypes within the population and 24% among the populations were observed (AMOVA). This information may help in identification of potential parents for development of transgressive segregants with very high yield. The association analysis using GLM and MLM models led to the identification of 30 and 10 SSR markers associated with 70 and 16 QTLs, respectively. Thirty novel QTLs linked with 16 SSRs were identified to be associated with eleven traits, namely tiller number (qTL-6.1, qTL-11.1, qTL-4.1), panicle length (qPL-1.1, qPL-5.1, qPL-7.1, qPL-8.1), flag leaf length (qFLL-8.1, qFLL-9.1), flag leaf width (qFLW-6.2, qFLW-5.1, qFLW-8.1, qFLW-7.1), total no. of grains (qTG-2.2, qTG-a7.1), thousand-grain weight (qTGW-a1.1, qTGW-a9.2, qTGW-5.1, qTGW-8.1), fertile grains (qFG-7.1), seed length-breadth ratio (qSlb-3.1), plant height (qPHT-6.1, qPHT-9.1), days to 50% flowering (qFD-1.1) and grain yield per se (qYLD-5.1, qYLD-6.1a, qYLD-11.1).Some of the SSRs were co-localized with more than two traits. The highest co-localization was identified with RM5709 linked to nine traits, followed by RM297 with five traits. Similarly, RM5575, RM204, RM168, RM112, RM26499 and RM22899 were also recorded to be co-localized with more than one trait and could be rated as important for marker-assisted backcross breeding programs, for pyramiding of these QTLs for important yield traits, to produce new-generation rice for prospective increment in yield potentiality and breaking yield ceiling.
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